Triple

T326498
Position Surface form Disambiguated ID Type / Status
Subject Croton water supply system E6530 entity
Predicate component P35 FINISHED
Object Jerome Park Reservoir
Jerome Park Reservoir is a major freshwater storage facility in the Bronx that plays a key role in New York City’s Croton water supply system.
 E56063 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Jerome Park Reservoir | Statement: [Croton water supply system, component, Jerome Park Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Jerome Park Reservoir
Context triple: [Croton water supply system, component, Jerome Park Reservoir]
  • A. Titicus Reservoir
    Titicus Reservoir is a man-made lake in Westchester County, New York, that serves as one of the key water supply reservoirs for New York City.
  • B. New Croton Reservoir
    The New Croton Reservoir is a major water supply reservoir in Westchester County, New York, that forms a key part of New York City's Croton water system.
  • C. Kensico Reservoir
    Kensico Reservoir is a major New York City water supply reservoir located in Westchester County, New York, known for its role in storing and regulating drinking water from the Catskill and Delaware systems.
  • D. Middle Branch Reservoir
    Middle Branch Reservoir is a man-made lake in New York’s Croton Watershed that serves as part of the New York City water supply system.
  • E. East Branch Reservoir
    East Branch Reservoir is a man-made water supply reservoir in New York’s Croton Watershed that helps provide drinking water to New York City.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Jerome Park Reservoir
Triple: [Croton water supply system, component, Jerome Park Reservoir]
Generated description
Jerome Park Reservoir is a major freshwater storage facility in the Bronx that plays a key role in New York City’s Croton water supply system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Jerome Park Reservoir
Target entity description: Jerome Park Reservoir is a major freshwater storage facility in the Bronx that plays a key role in New York City’s Croton water supply system.
  • A. Titicus Reservoir
    Titicus Reservoir is a man-made lake in Westchester County, New York, that serves as one of the key water supply reservoirs for New York City.
  • B. New Croton Reservoir
    The New Croton Reservoir is a major water supply reservoir in Westchester County, New York, that forms a key part of New York City's Croton water system.
  • C. Kensico Reservoir
    Kensico Reservoir is a major New York City water supply reservoir located in Westchester County, New York, known for its role in storing and regulating drinking water from the Catskill and Delaware systems.
  • D. Middle Branch Reservoir
    Middle Branch Reservoir is a man-made lake in New York’s Croton Watershed that serves as part of the New York City water supply system.
  • E. East Branch Reservoir
    East Branch Reservoir is a man-made water supply reservoir in New York’s Croton Watershed that helps provide drinking water to New York City.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69a2e7933d6c8190bb2592ad13286ef2 completed Feb. 28, 2026, 1:03 p.m.
NER Named-entity recognition batch_69a2ea974d8481908c7d84f72a7728b6 completed Feb. 28, 2026, 1:16 p.m.
NED1 Entity disambiguation (via context triple) batch_69a4429d10d88190ac5407bf4e539d4f completed March 1, 2026, 1:43 p.m.
NEDg Description generation batch_69a4436e93ac8190bbeb9b54fb4297ee completed March 1, 2026, 1:47 p.m.
NED2 Entity disambiguation (via description) batch_69a443c9240881909e98ff53f150489c completed March 1, 2026, 1:48 p.m.
Created at: Feb. 28, 2026, 1:08 p.m.